In this conceptual paper,the author develops and presents a strategic decision-making framework that applies game theory to evaluate smart and natural farming approaches in India.In the face of increasing pressures fr...In this conceptual paper,the author develops and presents a strategic decision-making framework that applies game theory to evaluate smart and natural farming approaches in India.In the face of increasing pressures from climate change,resource scarcity,and evolving socio-economic landscapes,agriculture must adapt to the challenges of a volatile,uncertain,complex,and ambiguous(VUCA)world.When integrated with the Provision of Urban Amenities in Rural Areas(PURA)framework,VUCA offers a dynamic system perspective that contextualizes uncertainty and institutional capacity in farming systems.This study applies a modified Spence signaling model to capture how farmers-categorized as smart or natural versus conventional-choose to signal their sustainability credentials in an environment of asymmetric information.Using a combination of payoff matrix modelling,Bayesian belief updating,and evolutionary game simulations,the paper identifies strategic equilibria under varying levels of policy support,consumer trust,and signal cost.Farmers’decisions to adopt smart technologies or organic certifications are modelled as costly but credible signals of quality.These signals are then interpreted by receivers such as consumers,investors,or policymakers,who in turn adjust their support or market preferences.The analysis reveals conditions under which separating,pooling,and semi-separating equilibria emerge,and how these outcomes impact farmer behaviour and systemic sustainability.Case studies from Indian states such as Andhra Pradesh,Karnataka,and Punjab demonstrate how real-world farming programs mirror theoretical outcomes under different signalling strategies.The study also presents a robust methodological structure,combining conceptual modelling with policy simulation and validation through comparative cases.By integrating environmental,technological,and institutional perspectives,this paper contributes a hybrid strategic framework aligned with India’s Green Revolution 2.0 goals.It offers practical recommendations for policy design,infrastructure planning,and market mechanisms that support the scaling of sustainable agricultural practices through credible signalling and game-theoretic insights.展开更多
What the newly established mediation body in China’s Hong Kong means for Africa In a world fraying under geopoliti-cal tensions,legal asymmetry,and fragmented global governance,the launch of the International Organis...What the newly established mediation body in China’s Hong Kong means for Africa In a world fraying under geopoliti-cal tensions,legal asymmetry,and fragmented global governance,the launch of the International Organisation for Mediation(IOMed)in China’s Hong Kong on 30 May is much more than a diplomatic novelty.It is a strategic recalibration of how the Global South,particularly African nations,might resolve disputes without surrendering sovereignty or dignity.展开更多
The existence of the aeroengine casing,limited monitoring points,and multi-fault characteristics make obtaining the rotor’s vibration transmission characteristics challenging,resulting in difficulties accurately iden...The existence of the aeroengine casing,limited monitoring points,and multi-fault characteristics make obtaining the rotor’s vibration transmission characteristics challenging,resulting in difficulties accurately identifying the rotor unbalance.This paper utilizes a high-frequency composite sensor to monitor the engine’s blade tip clearance(BTC)and extracts unbalanced information from BTC signals for rotor dynamic balancing,while avoiding the need for the once per revolution(OPR)sensor.First,the vibration characteristics of the rotor-blade system under multi-fault conditions are investigated.Then,based on BTC measurement,a none OPR method and an unbalance identification method are proposed,in which the radial vibration of the blade tip in the BTC signals at different speeds is extracted and operated in the time domain to obtain the rotor unbalanced vibration,the signal is reconstructed,and cross-correlation analysis is used to accurately identify the magnitude and phase of the unbalanced signal.Finally,a rotor test bench is utilized for experimental verification.The results reveal that the dynamic balancing method based on the BTC signal can more precisely identify the rotor unbalance than the traditional rotor dynamic balancing method.The application of this technique will effectively improve engine health management and fault prediction.展开更多
The two apparent issues,Corona effect and 4th industrial revolution,are seemed to be totally irrelevant but can point out numerous similarities.Why and how?We may be able to point out how without any difficulty,but no...The two apparent issues,Corona effect and 4th industrial revolution,are seemed to be totally irrelevant but can point out numerous similarities.Why and how?We may be able to point out how without any difficulty,but no one can identify why.This article starts with how first then mumble around why with no confirmed conclusion.The only concluding remark may be“It is a Historian’s duty,not the engineers nor scientists”.For Corona virus,the major catch phrase is“Separation”,physically and mentally,which can be related to the 4th industrial revolution,which this article foresees and no confirmation on“what will happen next”.展开更多
For a full and accurate understanding of the position and role of natural gas in China's energy revolution and providing a decision-making reference for the scientific establishment of natural gas development stra...For a full and accurate understanding of the position and role of natural gas in China's energy revolution and providing a decision-making reference for the scientific establishment of natural gas development strategies and the deepening of the energy revolution,this paper analyzed the role of natural gas in guiding the energy revolution in China and points out the main direction of natural gas utilization in the SichuaneChongqing gas province which takes the lead in China's natural gas industry.The study provides the following findings.First,with a huge space for development,natural gas will play an important role in China's third energy revolution.Second,natural gas resources are abundant and have a huge potential for development in China.Third,natural gas can be used for a large range of purposes in the Sichuane Chongqing gas province.In addition to be used as city gas,natural gas can also be used for industrial fuel mainly as a substitute for coal,transportation,distributed energy,peak-shaving power generation,and high-end natural gas chemical raw materials.Some conclusions are made.First,as the cleanest fossil energy and the best fuel,natural gas will play an irreplaceable role in China's third energy revolution in the 21st century.Second,the SichuaneChongqing gas province is rich in natural gas,hydropower and other renewable resources.By 2020,it will become the largest gas production province in China,with natural gas production over 550×108 m^(3).By 2030,driven by the rapid development of shale gas,gas production in the province is expected to exceed 800×108 m^(3).Third,the SichuaneChongqing gas province is likely to become the leader in China's third energy revolution.展开更多
Considering the demands,situations and trends in respect to global climate change,carbon neutrality and energy transition,the achievements and significance of the global green energy transition and the new energy revo...Considering the demands,situations and trends in respect to global climate change,carbon neutrality and energy transition,the achievements and significance of the global green energy transition and the new energy revolution of China are summarized,and the“Energy Triangle”theory is proposed.The research indicates that the energy technology revolution is driving a dual transformation in global energy:the black“shale oil and gas revolution”in North America and the green“new energy revolution”in China.The green energy revolution of China has achieved significant milestones in wind-solar-hydrogen-energy storage technologies,leading the world in photovoltaic and wind power.The country has developed the world's largest,most comprehensive,and competitive new energy innovation,industrial and value chains,along with the largest clean power supply system globally.New quality productive forces represent the green productive forces.The green“new energy revolution”of China has accelerated the transformation of its energy structure and the global shift towards clean energy,promoting a new win-win model for the global green and low-carbon transition.Under the backdrop of a carbon-neutral goal-driven energy transition,the“Energy Triangle”theory within the framework of new quality productive forces explains the correlation and development of energy security,economic growth,and environmental sustainability throughout the evolution from fossil fuels to new energy systems,culminating in an energy revolution.Compared to the global energy resource endowment,the energy resources of China are characterized by abundant coal,limited oil and gas,and unlimited wind and photovoltaic energy.Moving forward,the energy strategies of China will focus on the advancement of technologies to clean coal for carbon emission reduction,increase gas output while stabilizing oil production,increase green energy while enhancing new energy,and achieve intelligent integration.Vigorously developing new energy is an essential step in maintaining the energy security of China,and establishing a carbon-neutral“super energy system”is a necessary choice.It is crucial to enhance the international competitiveness of China in new energy development,promote high-quality energy productive forces,support the country's transition to an“energy power”,and strive for“energy independence”.展开更多
文摘In this conceptual paper,the author develops and presents a strategic decision-making framework that applies game theory to evaluate smart and natural farming approaches in India.In the face of increasing pressures from climate change,resource scarcity,and evolving socio-economic landscapes,agriculture must adapt to the challenges of a volatile,uncertain,complex,and ambiguous(VUCA)world.When integrated with the Provision of Urban Amenities in Rural Areas(PURA)framework,VUCA offers a dynamic system perspective that contextualizes uncertainty and institutional capacity in farming systems.This study applies a modified Spence signaling model to capture how farmers-categorized as smart or natural versus conventional-choose to signal their sustainability credentials in an environment of asymmetric information.Using a combination of payoff matrix modelling,Bayesian belief updating,and evolutionary game simulations,the paper identifies strategic equilibria under varying levels of policy support,consumer trust,and signal cost.Farmers’decisions to adopt smart technologies or organic certifications are modelled as costly but credible signals of quality.These signals are then interpreted by receivers such as consumers,investors,or policymakers,who in turn adjust their support or market preferences.The analysis reveals conditions under which separating,pooling,and semi-separating equilibria emerge,and how these outcomes impact farmer behaviour and systemic sustainability.Case studies from Indian states such as Andhra Pradesh,Karnataka,and Punjab demonstrate how real-world farming programs mirror theoretical outcomes under different signalling strategies.The study also presents a robust methodological structure,combining conceptual modelling with policy simulation and validation through comparative cases.By integrating environmental,technological,and institutional perspectives,this paper contributes a hybrid strategic framework aligned with India’s Green Revolution 2.0 goals.It offers practical recommendations for policy design,infrastructure planning,and market mechanisms that support the scaling of sustainable agricultural practices through credible signalling and game-theoretic insights.
文摘What the newly established mediation body in China’s Hong Kong means for Africa In a world fraying under geopoliti-cal tensions,legal asymmetry,and fragmented global governance,the launch of the International Organisation for Mediation(IOMed)in China’s Hong Kong on 30 May is much more than a diplomatic novelty.It is a strategic recalibration of how the Global South,particularly African nations,might resolve disputes without surrendering sovereignty or dignity.
基金supported by the Key Program of National Natural Science Foundation of China(No.92160203)National Natural Science Foundation of China(No.92360306).
文摘The existence of the aeroengine casing,limited monitoring points,and multi-fault characteristics make obtaining the rotor’s vibration transmission characteristics challenging,resulting in difficulties accurately identifying the rotor unbalance.This paper utilizes a high-frequency composite sensor to monitor the engine’s blade tip clearance(BTC)and extracts unbalanced information from BTC signals for rotor dynamic balancing,while avoiding the need for the once per revolution(OPR)sensor.First,the vibration characteristics of the rotor-blade system under multi-fault conditions are investigated.Then,based on BTC measurement,a none OPR method and an unbalance identification method are proposed,in which the radial vibration of the blade tip in the BTC signals at different speeds is extracted and operated in the time domain to obtain the rotor unbalanced vibration,the signal is reconstructed,and cross-correlation analysis is used to accurately identify the magnitude and phase of the unbalanced signal.Finally,a rotor test bench is utilized for experimental verification.The results reveal that the dynamic balancing method based on the BTC signal can more precisely identify the rotor unbalance than the traditional rotor dynamic balancing method.The application of this technique will effectively improve engine health management and fault prediction.
文摘The two apparent issues,Corona effect and 4th industrial revolution,are seemed to be totally irrelevant but can point out numerous similarities.Why and how?We may be able to point out how without any difficulty,but no one can identify why.This article starts with how first then mumble around why with no confirmed conclusion.The only concluding remark may be“It is a Historian’s duty,not the engineers nor scientists”.For Corona virus,the major catch phrase is“Separation”,physically and mentally,which can be related to the 4th industrial revolution,which this article foresees and no confirmation on“what will happen next”.
文摘For a full and accurate understanding of the position and role of natural gas in China's energy revolution and providing a decision-making reference for the scientific establishment of natural gas development strategies and the deepening of the energy revolution,this paper analyzed the role of natural gas in guiding the energy revolution in China and points out the main direction of natural gas utilization in the SichuaneChongqing gas province which takes the lead in China's natural gas industry.The study provides the following findings.First,with a huge space for development,natural gas will play an important role in China's third energy revolution.Second,natural gas resources are abundant and have a huge potential for development in China.Third,natural gas can be used for a large range of purposes in the Sichuane Chongqing gas province.In addition to be used as city gas,natural gas can also be used for industrial fuel mainly as a substitute for coal,transportation,distributed energy,peak-shaving power generation,and high-end natural gas chemical raw materials.Some conclusions are made.First,as the cleanest fossil energy and the best fuel,natural gas will play an irreplaceable role in China's third energy revolution in the 21st century.Second,the SichuaneChongqing gas province is rich in natural gas,hydropower and other renewable resources.By 2020,it will become the largest gas production province in China,with natural gas production over 550×108 m^(3).By 2030,driven by the rapid development of shale gas,gas production in the province is expected to exceed 800×108 m^(3).Third,the SichuaneChongqing gas province is likely to become the leader in China's third energy revolution.
基金Supported by the National Science and Technology Major Special Project Secretariat(2022-5596510-000064)Petro China Science and Technology Special Project(2021ZZ01-05)。
文摘Considering the demands,situations and trends in respect to global climate change,carbon neutrality and energy transition,the achievements and significance of the global green energy transition and the new energy revolution of China are summarized,and the“Energy Triangle”theory is proposed.The research indicates that the energy technology revolution is driving a dual transformation in global energy:the black“shale oil and gas revolution”in North America and the green“new energy revolution”in China.The green energy revolution of China has achieved significant milestones in wind-solar-hydrogen-energy storage technologies,leading the world in photovoltaic and wind power.The country has developed the world's largest,most comprehensive,and competitive new energy innovation,industrial and value chains,along with the largest clean power supply system globally.New quality productive forces represent the green productive forces.The green“new energy revolution”of China has accelerated the transformation of its energy structure and the global shift towards clean energy,promoting a new win-win model for the global green and low-carbon transition.Under the backdrop of a carbon-neutral goal-driven energy transition,the“Energy Triangle”theory within the framework of new quality productive forces explains the correlation and development of energy security,economic growth,and environmental sustainability throughout the evolution from fossil fuels to new energy systems,culminating in an energy revolution.Compared to the global energy resource endowment,the energy resources of China are characterized by abundant coal,limited oil and gas,and unlimited wind and photovoltaic energy.Moving forward,the energy strategies of China will focus on the advancement of technologies to clean coal for carbon emission reduction,increase gas output while stabilizing oil production,increase green energy while enhancing new energy,and achieve intelligent integration.Vigorously developing new energy is an essential step in maintaining the energy security of China,and establishing a carbon-neutral“super energy system”is a necessary choice.It is crucial to enhance the international competitiveness of China in new energy development,promote high-quality energy productive forces,support the country's transition to an“energy power”,and strive for“energy independence”.
